The FTSE techMARK 100 is an index derived from the FTSE techMARK All-Share Index, which represents the performance of innovative and technology companies that are listed on the London Stock Exchange's "techMARK" market. Constituents of the FTSE techMARK 100 include: BAE Systems Elan Corp BATM Advanced Communications Smith & Nephew Shire Cable & Wireless Thomson Reuters Sage Group Cobham Meggitt Autonomy Corporation LogicaCMG ARM Holdings Qinetiq Group Spectris Aveva Group Ultra Electronics Holdings Dimension Data Holdings Renishaw Spirent Communications Micro Focus International Genus Detica Group Domino Printing Sciences Axon Group Computacenter Fidessa Group KCOM Group SDL International Gresham Technologies plc Wikipedia